Make python --version a single line

Pypy outputs two lines and causes an error this way.
7 years ago · b5f7b1eaee
parent 48f067bac0
commit b5f7b1eaee
1 changed files with 1 additions and 1 deletions
--- a/fish_prompt.fish
+++ b/fish_prompt.fish
@ -566,7 +566,7 @@ function __bobthefish_prompt_vi -S -d 'Display vi mode'
 end

 function __bobthefish_virtualenv_python_version -S -d 'Get current python version'
-  switch (python --version ^&1)
+  switch (python --version ^| tr '\n' ' ')
    case 'Python 2*PyPy*'
      echo $__bobthefish_pypy_glyph
    case 'Python 3*PyPy*'